@article{ZNSL_1977_70_a18,
     author = {V. V. Kolpakov},
     title = {Matrix seminorms and related inequalities},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {270--285},
     year = {1977},
     volume = {70},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1977_70_a18/}
}